u-boot/board/cds/common/ft_board.c
Andy Fleming 084d648b10 Added code to support 2.6.18 PCI changes in u-boot
* Added code to swizzle the IRQ map for the PCI
2006-09-19 09:41:08 -05:00

77 lines
1.7 KiB
C

/*
* Copyright 2004 Freescale Semiconductor.
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
#include "cadmus.h"
extern void ft_cpu_setup(void *blob, bd_t *bd);
static void cds_pci_fixup(void *blob)
{
int len;
u32 *map;
int slot;
int i;
map = ft_get_prop(blob, "/" OF_SOC "/pci@8000/interrupt-map", &len);
len /= sizeof(u32);
slot = get_pci_slot();
for (i=0;i<len;i+=7) {
/* We rotate the interrupt pins so that the mapping
* changes depending on the slot the carrier card is in.
*/
int j;
map[3] = ((map[3] + slot - 2) % 4) + 1;
map+=7;
}
}
#endif
#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
void
ft_board_setup(void *blob, bd_t *bd)
{
u32 *p;
int len;
#ifdef CONFIG_PCI
ft_pci_setup(blob, bd);
#endif
ft_cpu_setup(blob, bd);
p = ft_get_prop(blob, "/memory/reg", &len);
if (p != NULL) {
*p++ = cpu_to_be32(bd->bi_memstart);
*p = cpu_to_be32(bd->bi_memsize);
}
cds_pci_fixup(blob);
}
#endif